<script lang="ts" setup>
import { createRentAPI, delEnterpriseAPI, delRentAPI, getEnterpriseListAPI, getRentBuildListAPI, getRentListAPI, outRentAPI, uploadAPI } from '@/apis/enterprise';
import router from '@/router';
import type { Enterprise, EnterpriseListParams } from '@/types/enterprise';
import { ElMessage, ElMessageBox, type FormRules, type UploadRawFile, type UploadRequestOptions } from 'element-plus';
import { ref } from 'vue';

// 获取企业列表
// 是否正在加载
const loading = ref(false)
const exterpriseList = ref<Enterprise[]>([])
// 请求参数
const params = ref<EnterpriseListParams>({
  page: 1,
  pageSize: 10,
  name:''
})
//获取数据
// 总数据
const total = ref(0)
const getExterpriseList = async () => {
  loading.value = true
  const res = await getEnterpriseListAPI(params.value)
  // 每一行一个企业项增加合同数组
  exterpriseList.value = res.data?.rows.map((item)=>{
    return {
      ...item,
      rentList: []
    }
  })
  total.value = res.data?.total
  loading.value = false
}
getExterpriseList() 

// 当前选择页发生变化
const handleCurrentChange = (index:number)=>{
  params.value.page = index
  getExterpriseList() 
}
//当前页显示数量发生变化
const handleSizeChange = (size:number)=>{
  params.value.pageSize = size
  getExterpriseList() 
}
// 搜索功能
const search =()=>{
  getExterpriseList() 
}

// 到企业编辑页
const goEdit = (scoped:any)=>{
  const id = scoped.row.id
  const path = `/enterpriseAdd?id=${id}`
  // 路由跳转
  router.push(path)
}

// 删除企业
const delExterprise = (id: string) => {
  ElMessageBox.confirm('确认删除该企业吗?', '提示', {
    confirmButtonText: '确定',
    cancelButtonText: '取消',
    type: 'warning'
  }).then(async () => {
    await delEnterpriseAPI(id)
    getExterpriseList()
    ElMessage({
      type: 'success',
      message: '删除成功!'
    })
  })
}

const rentDialogVisible = ref(false)  // 是否显示添加合同弹框
// 打开弹窗
const buildList = ref<{ id: string, name: string }[]>([]) 

const addRent = async (id:string)=>{
  rentDialogVisible.value = true
  // 弹窗显示获取楼宇列表
  const res = await getRentBuildListAPI()
  buildList.value = res.data
    // 把企业id存入表单对象
    rentForm.value.enterpriseId = id
}
// 关闭
const closeDialog = ()=>{
  rentDialogVisible.value = false
}

const rentForm = ref<any>({
  buildingId: undefined, // 楼宇id
  contractId: undefined, // 合同id
  contractUrl: '', // 合同Url
  enterpriseId: undefined, // 企业名称
  type: 0, // 合同类型
  rentTime: [] // 合同时间
})

const rentRules = ref<FormRules>({
  buildingId: [
    { required: true, message: '请选择楼宇', trigger: 'change' }
  ],
  rentTime: [
    { required: true, message: '请选择租赁日期', trigger: 'change' }
  ],
  contractId: [
    { required: true, message: '请上传合同文件' }
  ]
}) 

// 上传合同
const contractList = ref<any>([])
  const addForm = ref()
const uploadHandle = async (fileData: UploadRequestOptions):Promise<any> =>{
  const {file} = fileData
  const fd = new FormData()
  fd.append('file', file)
  fd.append('type','contract')
  // 上传
  const res = await uploadAPI(fd)
  rentForm.value.contractId = res.data.id
  rentForm.value.contractUrl = res.data.url
  contractList.value.push({ name: file.name, url: res.data.url })
  // 单独校验表单
  addForm.value.validateField('contractId')
}
// 上传之前操作
const beforeUpload = (file: UploadRawFile)=>{
  const allowImgType = ['application/pdf', 'application/vnd.openxmlformats-officedocument.wordprocessingml.document', 'application/msword'].includes(file.type)
  const isLt5M = file.size / 1024 / 1024 < 5

  if (!allowImgType) {
    ElMessage.error('上传合同文件只能是 .doc, .pdf 格式!')
  }
  if (!isLt5M) {
    ElMessage.error('上传合同文件大小不能超过 5MB!')
  }
  return allowImgType && isLt5M
}
const onExceed =()=>{
  ElMessage({
    type: 'error',
    message: '最多上传一张图片'
  })
}

//提交合同
const confirmAdd = ()=>{
  addForm.value.validate(async (valid: boolean) => {
    if(valid){
      const { buildingId, contractId, contractUrl, enterpriseId, type } = rentForm.value
      await createRentAPI({
        buildingId, contractId, contractUrl, enterpriseId, type,
        startTime: rentForm.value.rentTime[0],
        endTime: rentForm.value.rentTime[1]
      })
      ElMessage.success({message: '添加合同成功'})
      // 更新列表
      getExterpriseList()
      // 关闭弹框
      rentDialogVisible.value = false
      // 重置表单
      addForm.value.resetFields()
      rentForm.value.contractUrl = ''
      rentForm.value.contractId = ''
      contractList.value = []
    }
  })
}


// 每个企业的合同列表
  // 只有展开时获取数据并绑定
  // row: 当前展开那行表格的数据对象
  // rows：当前已展开的所有行表格的数据对象的集合
  const expandRowKeys = ref<string[]>([])
  // 合同列表加载状态
  const contractLoading = ref(false)
  // 展开时获取数据
  const expandHandle = async (row:any, rows:any[])=>{
  // rows 中包含当前展开行数据，说明是展开状态
  // 每次展开都会触发
  const isExpend = rows.find(item => item.id === row.id)
  if(isExpend){
    contractLoading.value = true
    // 获取该企业下的合同列表,row里面包含id
    const res = await getRentListAPI(row.id)
    // 添加到对应企业下合同数组
    res.data.forEach(item => {
      row.rentList.push(item)
    })
    expandRowKeys.value.push(row.id)
    contractLoading.value = false
  }else{
    // 关闭时，把当前行的合同列表清空，防止下次打开时不断 push 叠加
    row.rentList=[]
    expandRowKeys.value = expandRowKeys.value.filter(item => item !== row.id)
  }
  }

  // 标签文字
  const formatStatus = (type:number)=>{
    switch(type){
      case 0:
        return '待生效';
      case 1:
        return '生效中'
      case 2:
        return '已到期';
      case 3:
        return '已退租';
    }
  }

  // 标签颜色类型
  const formatInfoType =(type:number)=>{
    switch (type) {
    case 0:
      return 'warning';
    case 1:
      return 'success';
    case 2:
      return 'info';
    case 3:
      return 'danger';
  }
  }

  // 退租功能
  const outRent = async (row:any)=>{
    //弹窗提示
    const res = await ElMessageBox.confirm('确定要退租吗？', '提示', {
      confirmButtonText: '确定',
      cancelButtonText: '取消',
      type: 'warning'
    })
    if(res === 'confirm'){
      await outRentAPI(row.id)
      ElMessage.success('退租成功')
      row.status = 3
    }
  }

  // 删除功能
  const delRent = async (row:any,contactId:string)=>{  
   const res = await ElMessageBox.confirm('此操作将永久删除该合同, 是否继续?', '提示', {
      confirmButtonText: '确定',
      cancelButtonText: '取消',
      type: 'warning'
    })
    if(res === 'confirm'){
      console.log(row.row.rentList);
      await delRentAPI(contactId)
      row.row.rentList = row.row.rentList.filter((item:any)=>{
        return item.id !== contactId
      })
      ElMessage.success('删除成功')
    }
  }

  // 去楼宇详情页
  const goDetail = (id:string)=>{
    router.push({
      path:'/enterpriseDetail',
      query:{
        id
      }
    })
  }
</script>
<template>
  <div class="building-container">
    <!-- 搜索区域 -->
    <div class="search-container">
      <div class="search-label">企业名称：</div>
      <el-input @clear="search" v-model="params.name" clearable placeholder="请输入内容" class="search-main" />
      <el-button type="primary" @click="search">查询</el-button>
    </div>
    <div class="create-container">
      <el-button type="primary" @click="$router.push('/enterpriseAdd')">添加企业</el-button>
    </div>
    <!-- 表格区域 -->
    <div class="table">
      <el-table style="width: 100%" 
      :data="exterpriseList" 
      v-loading="loading" 
      height="500"
      @expand-change="expandHandle" 
      row-key="id" 
      :expand-row-keys="expandRowKeys"
      >
        <!-- 新增：展开部分 -->
      <el-table-column type="expand">
        <!-- 名字可以任意起,起的名字代表这个插槽 -->
      <template #default="scoped">
      <el-table el-table :data="scoped.row.rentList" v-loading="contractLoading">
      <el-table-column label="租赁楼宇" width="320" prop="buildingName" />
      <el-table-column label="租赁起始时间" prop="startTime" />
      <el-table-column label="合同状态">
        <template #default="scope">
          <el-tag :type="formatInfoType(scope.row.status)">
            {{ formatStatus(scope.row.status) }}
          </el-tag>
        </template>
      </el-table-column>
      <el-table-column label="操作" width="280">
        <template #default="{row}">
          <el-button size="small" type="text">续租</el-button>
          <el-button size="small" type="text" :disabled="row.status === 3" @click="outRent(row)">退租</el-button>
          <el-button size="small" type="text" :disabled="!(row.status === 3)" @click="delRent(scoped,row.id)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>
  </template>
</el-table-column>
        <el-table-column align="center" type="index" label="序号" width="120" />
        <el-table-column align="center" label="企业名称" width="320" prop="name" />
        <el-table-column align="center" label="联系人" prop="contact" />
        <el-table-column align="center" label="联系电话"  prop="contactNumber" />
        <el-table-column align="center" label="操作" width="280">
          <template #default="scoped">
            <el-button size="small" type="text" @click="addRent(scoped.row.id)">添加合同</el-button>
            <el-button size="small" type="text" @click="goDetail(scoped.row.id)">查看</el-button>
            <el-button size="small" type="text" @click="goEdit(scoped)">编辑</el-button>
            <el-button size="small" type="text" @click="delExterprise(scoped.row.id)">删除</el-button>
          </template>
        </el-table-column>
      </el-table>
    </div>
    <div class="page-container">
      <el-pagination 
      layout="total, prev, pager,next,sizes" 
      :total="total" 
      :page-sizes="[5, 10, 15,20]"
      v-model:page-size="params.pageSize"
      v-model:current-page="params.page"
      background
     @current-change="handleCurrentChange "
      @size-change="handleSizeChange "
      />
    </div>
  </div>
  <!-- 弹窗 -->
  <el-dialog title="添加合同" v-model="rentDialogVisible" width="580px" @close="closeDialog">
    <!-- 表单区域 -->
    <div class="form-container">
      <el-form ref="addForm" :model="rentForm" :rules="rentRules" label-position="top">
        <el-form-item label="租赁楼宇" prop="buildingId">
          <el-select v-model="rentForm.buildingId" placeholder="请选择">
            <el-option v-for="item in buildList" :key="item.id" :label="item.name" :value="item.id" />
          </el-select>
        </el-form-item>
        <el-form-item label="租赁起止日期" prop="rentTime">
          <el-date-picker v-model="rentForm.rentTime" type="daterange" range-separator="至" start-placeholder="开始日期"
            end-placeholder="结束日期" value-format="YYYY-MM-DD" />
        </el-form-item>
        <el-form-item label="租赁合同" prop="contractId">
          <el-upload 
          action="#"
          :http-request="uploadHandle" 
          :before-upload="beforeUpload" 
          :file-list="contractList"
          :limit="1"
          :on-exceed="onExceed"
          >
            <el-button size="small" type="primary" plain>上传合同文件</el-button>
            <div slot="tip" class="el-upload__tip">支持扩展名：.doc .pdf, 文件大小不超过5M</div>
          </el-upload>
        </el-form-item>
      </el-form>
    </div>
    <template #footer>
      <el-button size="small" @click="closeDialog">取 消</el-button>
      <el-button size="small" type="primary" @click="confirmAdd">确 定</el-button>
    </template>
  </el-dialog>
</template>

<style lang="scss" scoped>
.building-container {
  padding: 20px;
}

.search-container {
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgb(237, 237, 237, .9);
  ;
  padding-bottom: 20px;

  .search-label {
    width: 100px;
  }

  .search-main {
    width: 220px;
    margin-right: 10px;
  }
}

.create-container {
  margin: 10px 0px;
}

.page-container {
  float: right;
  padding: 4px 0px;
  text-align: right;
}

.form-container {
  padding: 0px 80px;
}
</style>
